ecos-v2_0-branch: packages/hal/powerpc/quicc/current/src/quicc

annotate packages/hal/powerpc/quicc/current/src/quicc_smc1.c @ 438:4ad7466aa844

Fix BD allocator problem.

author	gthomas
date	Tue, 26 Nov 2002 15:36:55 +0000
parents	a6484a9a16c6
children	65a9cab241ce

rev	line source
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	1 //==========================================================================
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	2 //
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	3 // quicc_smc1.c
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	4 //
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	5 // PowerPC QUICC basic Serial IO using port(s) SMC1/SMC2/SCC1/SCC2/SCC3
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	6 //
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	7 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	12 // Copyright (C) 2002 Gary Thomas
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	13 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	14 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	15 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	16 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	17 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	21 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	22 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	23 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	24 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	26 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	27 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	28 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	29 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	30 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	31 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	32 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	33 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	34 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	35 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	36 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	38 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	39 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 151 diff changeset	40 //####ECOSGPLCOPYRIGHTEND####
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	41 //==========================================================================
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	42 //#####DESCRIPTIONBEGIN####
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	43 //
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 36 diff changeset	44 // Author(s): Red Hat
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	45 // Contributors: hmt, gthomas
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	46 // Date: 1999-06-08
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	47 // Purpose: Provide basic Serial IO for MPC8xx boards (like Motorola MBX)
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	48 // Description: Serial IO for MPC8xx boards which connect their debug channel
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	49 // to SMCx or SCCx; or any QUICC user who wants to use SMCx/SCCx
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	50 // Usage:
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	51 // Notes:
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	52 //
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	53 //####DESCRIPTIONEND####
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	54 //
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	55 //==========================================================================
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	56
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	57 #include <pkgconf/hal.h>
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	58 #include <pkgconf/hal_powerpc_quicc.h>
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	59 #include <cyg/infra/cyg_type.h>
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	60 #include <cyg/hal/hal_cache.h>
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	61
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	62 #include <cyg/hal/hal_arch.h>
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	63
68 f74b2666b30d Merge from eCos master repository on 2000-02-04-07:47:04-GMT jlarmour parents: 66 diff changeset	64 #ifdef CYGPKG_HAL_POWERPC_MPC860
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	65
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	66 // eCos headers decribing PowerQUICC:
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	67 #include <cyg/hal/quicc/ppc8xx.h>
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	68
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	69 #include <cyg/hal/quicc/quicc_smc1.h>
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	70
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	71 #include <cyg/hal/hal_stub.h> // target_register_t
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	72 #include <cyg/hal/hal_intr.h> // HAL_INTERRUPT_UNMASK(...)
101 c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	73 #include <cyg/hal/hal_if.h> // Calling interface definitions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	74 #include <cyg/hal/hal_misc.h> // Helper functions
c37d3a9e1b28 Merge from eCos master repository on 2000-06-16-07:47:03-BST jlarmour parents: 76 diff changeset	75 #include <cyg/hal/drv_api.h> // CYG_ISR_HANDLED
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	76
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	77 #define UART_BIT_RATE(n) (((int)(CYGHWR_HAL_POWERPC_BOARD_SPEED*1000000)/16)/n)
225 278800005641 Use standardized CDL name for baud rate. gthomas parents: 212 diff changeset	78 #define UART_BAUD_RATE CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_BAUD
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	79
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	80 // Note: buffers will be placed just after descriptors
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	81 // Sufficient space should be provided between descrptors
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	82 // for the buffers (single characters)
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	83
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	84 struct port_info {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	85 int Txnum; // Number of Tx buffers
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	86 int Rxnum; // Number of Rx buffers
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	87 int intnum; // Interrupt bit
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	88 int timeout; // Timeout in msec
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	89 int pram; // [Pointer] to PRAM data
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	90 int regs; // [Pointer] to control registers
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	91 volatile struct cp_bufdesc *next_rxbd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	92 int irq; // Interrupt state
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	93 int init; // Has port been initialized?
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	94 };
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	95
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	96 static struct port_info ports[] = {
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	97 #if CYGNUM_HAL_QUICC_SMC1 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	98 { 1, 4, CYGNUM_HAL_INTERRUPT_CPM_SMC1, 1000,
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	99 (int)&((EPPC *)0)->pram[2].scc.pothers.smc_modem.psmc.u,
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	100 (int)&((EPPC *)0)->smc_regs[0]
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	101 },
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	102 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	103 #if CYGNUM_HAL_QUICC_SMC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	104 { 1, 4, CYGNUM_HAL_INTERRUPT_CPM_SMC2_PIP, 1000,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	105 (int)&((EPPC *)0)->pram[3].scc.pothers.smc_modem.psmc.u,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	106 (int)&((EPPC *)0)->smc_regs[1]
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	107 },
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	108 #endif
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	109 #if CYGNUM_HAL_QUICC_SCC1 > 0
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	110 { 1, 4, CYGNUM_HAL_INTERRUPT_CPM_SCC1, 1000,
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	111 (int)&((EPPC *)0)->pram[0].scc.pscc.u,
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	112 (int)&((EPPC *)0)->scc_regs[0]
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	113 },
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	114 #endif
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	115 #if CYGNUM_HAL_QUICC_SCC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	116 { 1, 4, CYGNUM_HAL_INTERRUPT_CPM_SCC2, 1000,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	117 (int)&((EPPC *)0)->pram[1].scc.pscc.u,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	118 (int)&((EPPC *)0)->scc_regs[1]
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	119 },
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	120 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	121 #if CYGNUM_HAL_QUICC_SCC3 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	122 { 1, 4, CYGNUM_HAL_INTERRUPT_CPM_SCC3, 1000,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	123 (int)&((EPPC *)0)->pram[2].scc.pscc.u,
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	124 (int)&((EPPC *)0)->scc_regs[2]
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	125 },
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	126 #endif
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	127 };
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	128
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	129 // SMC Events (interrupts)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	130 #define QUICC_SMCE_BRK 0x10 // Break received
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	131 #define QUICC_SMCE_BSY 0x04 // Busy - receive buffer overrun
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	132 #define QUICC_SMCE_TX 0x02 // Tx interrupt
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	133 #define QUICC_SMCE_RX 0x01 // Rx interrupt
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	134
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	135 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	136 * Reset the communications processor
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	137 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	138
438 4ad7466aa844 Fix BD allocator problem. gthomas parents: 435 diff changeset	139 static short nextBd = QUICC_BD_BASE + 0x400;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	140
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	141 static void
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	142 reset_cpm(void)
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	143 {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	144 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	145 int i;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	146 static int init_done = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	147
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	148 if (init_done) return;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	149 init_done++;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	150
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	151 eppc->cp_cr = QUICC_CPM_CR_RESET \| QUICC_CPM_CR_BUSY;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	152 memset(eppc->pram, 0, 0x400);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	153 for (i = 0; i < 100000; i++);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	154
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	155 nextBd = QUICC_BD_BASE;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	156
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	157 }
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	158
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	159 //
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	160 // Allocate a chunk of memory in the shared CPM memory, typically
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	161 // used for buffer descriptors, etc. The length will be aligned
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	162 // to a multiple of 8 bytes.
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	163 //
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	164 unsigned short
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	165 cyg_hal_allocBd(int len)
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	166 {
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	167 unsigned short bd = nextBd;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	168
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	169 len = (len + 7) & ~7; // Multiple of 8 bytes
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	170 nextBd += len;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	171 return bd;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	172 }
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	173
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	174 /*
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	175 * Initialize SMCX as a uart.
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	176 *
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	177 * Comments below reference Motorola's "MPC860 User Manual".
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	178 * The basic initialization steps are from Section 16.15.8
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	179 * of that manual.
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	180 */
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	181 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	182 cyg_hal_smcx_init_channel(struct port_info *info, int port)
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	183 {
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	184 EPPC *eppc = eppc_base();
121 6bd9d475ed4b Merge from eCos master repository on 2000-09-04-20:50:20-BST jlarmour parents: 107 diff changeset	185 int i;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	186 volatile struct smc_uart_pram uart_pram = (volatile struct smc_uart_pram )((char *)eppc + info->pram);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	187 volatile struct smc_regs regs = (volatile struct smc_regs )((char *)eppc + info->regs);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	188 struct cp_bufdesc txbd, rxbd;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	189
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	190 if (info->init) return;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	191 info->init = 1;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	192
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	193 reset_cpm();
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	194
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	195 switch (port) {
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	196 #if CYGNUM_HAL_QUICC_SMC1 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	197 case QUICC_CPM_SMC1:
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	198 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	199 * Set up the PortB pins for UART operation.
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	200 * Set PAR and DIR to allow SMCTXD1 and SMRXD1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	201 * (Table 16-39)
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	202 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	203 eppc->pip_pbpar \|= 0xc0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	204 eppc->pip_pbdir &= ~0xc0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	205
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	206 /* Configure baud rate generator (Section 16.13.2) */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	207 eppc->brgc1 = 0x10000 \| (UART_BIT_RATE(UART_BAUD_RATE)<<1);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	208
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	209 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	210 * NMSI mode, BRG1 to SMC1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	211 * (Section 16.12.5.2)
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	212 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	213 eppc->si_simode = 0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	214 break;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	215 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	216 #if CYGNUM_HAL_QUICC_SMC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	217 case QUICC_CPM_SMC2:
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	218 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	219 * Set up the PortA pins for UART operation.
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	220 * Set PAR and DIR to allow SMCTXD2 and SMRXD2
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	221 * (Table 16-39)
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	222 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	223 eppc->pio_papar \|= 0xc0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	224 eppc->pio_padir &= ~0xc0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	225 eppc->pio_paodr &= ~0xc0;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	226
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	227 /* Configure baud rate generator (Section 16.13.2) */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	228 eppc->brgc1 = 0x10000 \| (UART_BIT_RATE(UART_BAUD_RATE)<<1);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	229
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	230 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	231 * NMSI mode, BRG1 to SMC2
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	232 * (Section 16.12.5.2)
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	233 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	234 eppc->si_simode = 0x00000000;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	235 break;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	236 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	237 }
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	238
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	239 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	240 * Set pointers to buffer descriptors.
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	241 * (Sections 16.15.4.1, 16.15.7.12, and 16.15.7.13)
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	242 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	243 uart_pram->rbase = cyg_hal_allocBd(sizeof(struct cp_bufdesc)*info->Rxnum + info->Rxnum);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	244 uart_pram->tbase = cyg_hal_allocBd(sizeof(struct cp_bufdesc)*info->Txnum + info->Txnum);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	245
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	246 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	247 * SDMA & LCD bus request level 5
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	248 * (Section 16.10.2.1)
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	249 */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	250 eppc->dma_sdcr = 1;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	251
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	252 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	253 * Set Rx and Tx function code
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	254 * (Section 16.15.4.2)
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	255 */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	256 uart_pram->rfcr = 0x18;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	257 uart_pram->tfcr = 0x18;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	258
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	259 /* max receive buffer length */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	260 uart_pram->mrblr = 1;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	261
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	262 /* disable max_idle feature */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	263 uart_pram->max_idl = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	264
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	265 /* no last brk char received */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	266 uart_pram->brkln = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	267
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	268 /* no break condition occurred */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	269 uart_pram->brkec = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	270
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	271 /* 1 break char sent on top XMIT */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	272 uart_pram->brkcr = 1;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	273
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	274 /* setup RX buffer descriptors */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	275 rxbd = (struct cp_bufdesc )((char )eppc + uart_pram->rbase);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	276 info->next_rxbd = rxbd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	277 for (i = 0; i < info->Rxnum; i++) {
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	278 rxbd->length = 0;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	279 rxbd->buffer = ((char )eppc + (uart_pram->rbase+(info->Rxnumsizeof(struct cp_bufdesc))))+i;
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	280 rxbd->ctrl = QUICC_BD_CTL_Ready \| QUICC_BD_CTL_Int;
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	281 rxbd++;
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	282 }
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	283 rxbd--;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	284 rxbd->ctrl \|= QUICC_BD_CTL_Wrap;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	285
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	286 /* setup TX buffer descriptor */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	287 txbd = (struct cp_bufdesc )((char )eppc + uart_pram->tbase);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	288 txbd->length = 1;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	289 txbd->buffer = ((char )eppc + (uart_pram->tbase+(info->Txnumsizeof(struct cp_bufdesc))));
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	290 txbd->ctrl = 0x2000;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	291
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	292 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	293 * Clear any previous events. Mask interrupts.
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	294 * (Section 16.15.7.14 and 16.15.7.15)
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	295 */
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	296 regs->smc_smce = 0xff;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	297 regs->smc_smcm = 5;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	298
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	299 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	300 * Set 8,n,1 characters, then also enable rx and tx.
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	301 * (Section 16.15.7.11)
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	302 */
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	303 regs->smc_smcmr = 0x4820;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	304 regs->smc_smcmr = 0x4823;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	305
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	306 /*
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	307 * Init Rx & Tx params for SMCx
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	308 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	309 eppc->cp_cr = QUICC_CPM_CR_INIT_TXRX \| port \| QUICC_CPM_CR_BUSY;
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	310
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	311 info->irq = 0; // Interrupts not enabled
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	312 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	313
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	314
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	315 //#define UART_BUFSIZE 32
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	316
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	317 //static bsp_queue_t uart_queue;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	318 //static char uart_buffer[UART_BUFSIZE];
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	319
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	320 #define QUICC_SMCE_TX 0x02 // Tx interrupt
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	321 #define QUICC_SMCE_RX 0x01 // Rx interrupt
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	322 #define QUICC_SMCMR_TEN (1<<1) // Enable transmitter
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	323 #define QUICC_SMCMR_REN (1<<0) // Enable receiver
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	324
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	325 #ifdef CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	326 extern int enable_diag_uart;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	327 #endif // CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	328
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	329 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	330 cyg_hal_smcx_putc(void* __ch_data, cyg_uint8 ch)
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	331 {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	332 volatile struct cp_bufdesc bd, first;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	333 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	334 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	335 volatile struct smc_uart_pram uart_pram = (volatile struct smc_uart_pram )((char *)eppc + info->pram);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	336 volatile struct smc_regs regs = (volatile struct smc_regs )((char *)eppc + info->regs);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	337 int timeout;
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	338 CYGARC_HAL_SAVE_GP();
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	339
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	340 /* tx buffer descriptor */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	341 bd = (struct cp_bufdesc )((char )eppc + uart_pram->tbptr);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	342
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	343 // Scan for a free buffer
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	344 first = bd;
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	345 while (bd->ctrl & QUICC_BD_CTL_Ready) {
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	346 if (bd->ctrl & QUICC_BD_CTL_Wrap) {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	347 bd = (struct cp_bufdesc )((char )eppc + uart_pram->tbase);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	348 } else {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	349 bd++;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	350 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	351 if (bd == first) break;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	352 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	353
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	354 while (bd->ctrl & QUICC_BD_CTL_Ready) ; // Wait for buffer free
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	355 if (bd->ctrl & QUICC_BD_CTL_Int) {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	356 // This buffer has just completed interrupt output. Reset bits
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	357 bd->ctrl &= ~QUICC_BD_CTL_Int;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	358 bd->length = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	359 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	360
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	361 bd->buffer[bd->length++] = ch;
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	362 bd->ctrl \|= QUICC_BD_CTL_Ready;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	363
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	364 #ifdef CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	365 enable_diag_uart = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	366 #endif // CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	367 timeout = 0;
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	368 while (bd->ctrl & QUICC_BD_CTL_Ready) {
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	369 // Wait until buffer free
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	370 if (++timeout == 0x7FFFF) {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	371 // A really long time!
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	372 #ifdef CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	373 diag_printf("bd fail? bd: %x, ctrl: %x, tx state: %x\n", bd, bd->ctrl, uart_pram->tstate);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	374 #endif // CYGDBG_DIAG_BUF
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	375 regs->smc_smcmr &= ~QUICC_SMCMR_TEN; // Disable transmitter
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	376 bd->ctrl &= ~QUICC_BD_CTL_Ready;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	377 regs->smc_smcmr \|= QUICC_SMCMR_TEN; // Enable transmitter
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	378 bd->ctrl \|= QUICC_BD_CTL_Ready;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	379 timeout = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	380 #ifdef CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	381 diag_printf("bd retry? bd: %x, ctrl: %x, tx state: %x\n", bd, bd->ctrl, uart_pram->tstate);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	382 first = (struct cp_bufdesc )((char )eppc + uart_pram->tbase);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	383 while (true) {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	384 diag_printf("bd: %x, ctrl: %x, length: %x\n", first, first->ctrl, first->length);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	385 if (first->ctrl & QUICC_BD_CTL_Wrap) break;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	386 first++;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	387 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	388 #endif // CYGDBG_DIAG_BUF
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	389 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	390 }
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	391 while (bd->ctrl & QUICC_BD_CTL_Ready) ; // Wait until buffer free
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	392 bd->length = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	393 #ifdef CYGDBG_DIAG_BUF
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	394 enable_diag_uart = 1;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	395 #endif // CYGDBG_DIAG_BUF
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	396
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	397 CYGARC_HAL_RESTORE_GP();
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	398 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	399
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	400
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	401 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	402 * Get a character from a port, non-blocking
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	403 * This function can be called on either an SMC or SCC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	404 */
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	405 static cyg_bool
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	406 cyg_hal_sxx_getc_nonblock(void* __ch_data, cyg_uint8* ch)
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	407 {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	408 volatile struct cp_bufdesc *bd;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	409 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	410 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	411 volatile struct smc_uart_pram uart_pram = (volatile struct smc_uart_pram )((char *)eppc + info->pram);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	412 int cache_state;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	413
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	414 /* rx buffer descriptor */
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	415 bd = info->next_rxbd;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	416
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	417 if (bd->ctrl & QUICC_BD_CTL_Ready)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	418 return false;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	419
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	420 *ch = bd->buffer[0];
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	421
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	422 bd->length = 0;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	423 bd->buffer[0] = '\0';
76 435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST jlarmour parents: 70 diff changeset	424 bd->ctrl \|= QUICC_BD_CTL_Ready;
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	425 if (bd->ctrl & QUICC_BD_CTL_Wrap) {
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	426 bd = (struct cp_bufdesc )((char )eppc + uart_pram->rbase);
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	427 } else {
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	428 bd++;
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	429 }
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	430 info->next_rxbd = bd;
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	431
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	432 // Note: the MBX860 does not seem to snoop/invalidate the data cache properly!
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	433 HAL_DCACHE_IS_ENABLED(cache_state);
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	434 if (cache_state) {
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	435 HAL_DCACHE_INVALIDATE(bd->buffer, uart_pram->mrblr); // Make sure no stale data
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	436 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	437
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	438 return true;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	439 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	440
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	441 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	442 * Get a character from a port, blocking
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	443 * This function can be called on either an SMC or SCC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	444 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	445 static cyg_uint8
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	446 cyg_hal_sxx_getc(void* __ch_data)
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	447 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	448 cyg_uint8 ch;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	449 CYGARC_HAL_SAVE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	450
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	451 while(!cyg_hal_sxx_getc_nonblock(__ch_data, &ch));
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	452
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	453 CYGARC_HAL_RESTORE_GP();
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	454 return ch;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	455 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	456
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	457
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	458 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	459 cyg_hal_smcx_write(void* __ch_data, const cyg_uint8* __buf,
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	460 cyg_uint32 __len)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	461 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	462 CYGARC_HAL_SAVE_GP();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	463
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	464 while(__len-- > 0)
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	465 cyg_hal_smcx_putc(__ch_data, *__buf++);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	466
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	467 CYGARC_HAL_RESTORE_GP();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	468 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	469
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	470 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	471 * Read a sequence of characters from a port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	472 * This function can be called on either an SMC or SCC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	473 */
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	474 static void
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	475 cyg_hal_sxx_read(void* __ch_data, cyg_uint8* __buf, cyg_uint32 __len)
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	476 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	477 CYGARC_HAL_SAVE_GP();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	478
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	479 while(__len-- > 0)
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	480 *__buf++ = cyg_hal_sxx_getc(__ch_data);
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	481
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	482 CYGARC_HAL_RESTORE_GP();
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	483 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	484
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	485 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	486 * Read a character from a port, with a timeout
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	487 * This function can be called on either an SMC or SCC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	488 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	489 static cyg_bool
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	490 cyg_hal_sxx_getc_timeout(void* __ch_data, cyg_uint8* ch)
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	491 {
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	492 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	493 int delay_count = info->timeout * 10; // delay in .1 ms steps
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	494 cyg_bool res;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	495 CYGARC_HAL_SAVE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	496
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	497 for(;;) {
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	498 res = cyg_hal_sxx_getc_nonblock(__ch_data, ch);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	499 if (res \|\| 0 == delay_count--)
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	500 break;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	501
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	502 CYGACC_CALL_IF_DELAY_US(100);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	503 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	504
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	505 CYGARC_HAL_RESTORE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	506 return res;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	507 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	508
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	509 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	510 * Control/query the state of a port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	511 * This function can be called on either an SMC or SCC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	512 */
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	513 static int
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	514 cyg_hal_sxx_control(void *__ch_data, __comm_control_cmd_t __func, ...)
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	515 {
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	516 struct port_info info = (struct port_info )__ch_data;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	517 int ret = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	518 CYGARC_HAL_SAVE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	519
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	520 switch (__func) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	521 case __COMMCTL_IRQ_ENABLE:
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	522 HAL_INTERRUPT_UNMASK(info->intnum);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	523 info->irq = 1;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	524 break;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	525 case __COMMCTL_IRQ_DISABLE:
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	526 ret = info->irq;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	527 info->irq = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	528 HAL_INTERRUPT_MASK(info->intnum);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	529 break;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	530 case __COMMCTL_DBG_ISR_VECTOR:
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	531 ret = info->intnum;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	532 break;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	533 case __COMMCTL_SET_TIMEOUT:
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	534 {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	535 va_list ap;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	536
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	537 va_start(ap, __func);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	538
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	539 ret = info->timeout;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	540 info->timeout = va_arg(ap, cyg_uint32);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	541
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	542 va_end(ap);
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	543 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	544 default:
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	545 break;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	546 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	547 CYGARC_HAL_RESTORE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	548 return ret;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	549 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	550
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	551 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	552 * Low-level interrupt (ISR) handler
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	553 * This function can be called on only an SMC port
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	554 */
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	555 static int
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	556 cyg_hal_smcx_isr(void __ch_data, int __ctrlc,
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	557 CYG_ADDRWORD __vector, CYG_ADDRWORD __data)
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	558 {
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	559 EPPC *eppc = eppc_base();
212 94b558c9fb67 Merge from eCos master repository on 2002-05-31-00:05:29-BST jlarmour parents: 210 diff changeset	560 volatile struct cp_bufdesc *bd;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	561 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	562 volatile struct smc_regs regs = (volatile struct smc_regs )((char *)eppc + info->regs);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	563 volatile struct smc_uart_pram uart_pram = (volatile struct smc_uart_pram )((char *)eppc + info->pram);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	564 char ch;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	565 int res = 0;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	566 CYGARC_HAL_SAVE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	567
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	568 *__ctrlc = 0;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	569 if (regs->smc_smce & QUICC_SMCE_RX) {
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	570
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	571 regs->smc_smce = QUICC_SMCE_RX;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	572
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	573 /* rx buffer descriptors */
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	574 bd = info->next_rxbd;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	575
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	576 if ((bd->ctrl & QUICC_BD_CTL_Ready) == 0) {
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	577
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	578 // then there be a character waiting
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	579 ch = bd->buffer[0];
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	580 bd->length = 1;
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	581 bd->ctrl \|= QUICC_BD_CTL_Ready \| QUICC_BD_CTL_Int;
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	582 if (bd->ctrl & QUICC_BD_CTL_Wrap) {
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	583 bd = (struct cp_bufdesc )((char )eppc + uart_pram->rbase);
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	584 } else {
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	585 bd++;
52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 121 diff changeset	586 }
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	587 info->next_rxbd = bd;
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	588
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	589 if( cyg_hal_is_break( &ch , 1 ) )
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	590 *__ctrlc = 1;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	591 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	592
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	593 // Interrupt handled. Acknowledge it.
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	594 HAL_INTERRUPT_ACKNOWLEDGE(info->intnum);
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	595 res = CYG_ISR_HANDLED;
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	596 }
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	597
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	598 CYGARC_HAL_RESTORE_GP();
5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	599 return res;
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	600 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	601
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	602 #if (CYGNUM_HAL_QUICC_SCC1+CYGNUM_HAL_QUICC_SCC2+CYGNUM_HAL_QUICC_SCC3) > 0
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	603 /*
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	604 * Initialize an SCC as a uart.
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	605 *
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	606 * Comments below reference Motorola's "MPC860 User Manual".
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	607 * The basic initialization steps are from Section 16.15.8
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	608 * of that manual.
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	609 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	610 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	611 cyg_hal_sccx_init_channel(struct port_info *info, int port)
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	612 {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	613 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	614 int i;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	615 volatile struct uart_pram uart_pram = (volatile struct uart_pram )((char *)eppc + info->pram);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	616 volatile struct scc_regs regs = (volatile struct scc_regs )((char *)eppc + info->regs);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	617 struct cp_bufdesc txbd, rxbd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	618
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	619 if (info->init) return;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	620 info->init = 1;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	621
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	622 reset_cpm();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	623
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	624 /*
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	625 * Set up the Port pins for UART operation.
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	626 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	627 switch (port) {
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	628 #if CYGNUM_HAL_QUICC_SCC1 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	629 case QUICC_CPM_SCC1:
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	630 eppc->pio_papar \|= 0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	631 eppc->pio_padir &= ~0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	632 eppc->pio_paodr &= ~0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	633
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	634 /* CTS on PortC.11 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	635 eppc->pio_pcdir &= 0x800;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	636 eppc->pio_pcpar &= 0x800;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	637 eppc->pio_pcso \|= 0x800;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	638
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	639 /* RTS on PortB.19 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	640 eppc->pip_pbpar \|= 0x1000;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	641 eppc->pip_pbdir \|= 0x1000;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	642
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	643 /* Configure baud rate generator (Section 16.13.2) */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	644 eppc->brgc2 = 0x10000 \| (UART_BIT_RATE(UART_BAUD_RATE)<<1);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	645
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	646 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	647 * NMSI mode, BRG2 to SCC1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	648 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	649 eppc->si_sicr \|= (1<<3)\|(1<<0);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	650 break;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	651 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	652 #if CYGNUM_HAL_QUICC_SCC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	653 case QUICC_CPM_SCC2:
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	654 #error FIXME
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	655 eppc->pio_papar \|= 0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	656 eppc->pio_padir &= ~0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	657 eppc->pio_paodr &= ~0x03;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	658
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	659 /* CTS on PortC.11 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	660 eppc->pio_pcdir &= 0x800;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	661 eppc->pio_pcpar &= 0x800;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	662 eppc->pio_pcso \|= 0x800;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	663
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	664 /* RTS on PortB.19 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	665 eppc->pip_pbpar \|= 0x1000;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	666 eppc->pip_pbdir \|= 0x1000;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	667
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	668 /* Configure baud rate generator (Section 16.13.2) */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	669 eppc->brgc2 = 0x10000 \| (UART_BIT_RATE(UART_BAUD_RATE)<<1);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	670
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	671 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	672 * NMSI mode, BRG2 to SCC1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	673 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	674 eppc->si_sicr \|= (1<<3)\|(1<<0);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	675 break;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	676 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	677 #if CYGNUM_HAL_QUICC_SCC3 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	678 case QUICC_CPM_SCC3:
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	679 #if 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	680 // CAUTION! Enabling these bits made the port get stuck :-(
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	681 /* CTS/RTS/CD on PortC.4/5/13 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	682 eppc->pio_pcdir &= 0x0C04;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	683 eppc->pio_pcpar &= 0x0C00;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	684 // eppc->pio_pcpar \|= 0x0004;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	685 eppc->pio_pcso \|= 0x0C00;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	686 #endif
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	687
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	688 /* RxD/TxD on PortB.24/25 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	689 eppc->pip_pbpar \|= 0x00C0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	690 eppc->pip_pbdir \|= 0x00C0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	691 eppc->pip_pbodr &= ~0x00C0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	692
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	693 /* Configure baud rate generator (Section 16.13.2) */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	694 eppc->brgc4 = 0x10000 \| (UART_BIT_RATE(UART_BAUD_RATE)<<1);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	695
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	696 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	697 * NMSI mode, BRG4 to SCC3
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	698 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	699 eppc->si_sicr &= ~(0xFF << 16);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	700 eppc->si_sicr \|= (3<<19)\|(3<<16);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	701 break;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	702 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	703 }
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	704
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	705 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	706 * Set pointers to buffer descriptors.
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	707 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	708 memset((void *)uart_pram, 0xFF, 0x100);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	709 uart_pram->rbase = cyg_hal_allocBd(sizeof(struct cp_bufdesc)*info->Rxnum + info->Rxnum);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	710 uart_pram->tbase = cyg_hal_allocBd(sizeof(struct cp_bufdesc)*info->Txnum + info->Txnum);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	711
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	712 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	713 * SDMA & LCD bus request level 5
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	714 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	715 eppc->dma_sdcr = 1;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	716
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	717 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	718 * Set Rx and Tx function code
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	719 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	720 uart_pram->rfcr = 0x18;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	721 uart_pram->tfcr = 0x18;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	722
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	723 /* max receive buffer length */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	724 uart_pram->mrblr = 1;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	725
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	726 /* disable max_idle feature */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	727 uart_pram->max_idl = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	728
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	729 /* no last brk char received */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	730 uart_pram->brkln = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	731
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	732 /* no break condition occurred */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	733 uart_pram->brkec = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	734
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	735 /* 1 break char sent on top XMIT */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	736 uart_pram->brkcr = 1;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	737
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	738 /* character mask */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	739 uart_pram->rccm = 0xC0FF;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	740
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	741 /* control characters */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	742 for (i = 0; i < 8; i++) {
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	743 uart_pram->cc[i] = 0x8000; // Mark unused
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	744 }
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	745
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	746 /* setup RX buffer descriptors */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	747 rxbd = (struct cp_bufdesc )((char )eppc + uart_pram->rbase);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	748 info->next_rxbd = rxbd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	749 for (i = 0; i < info->Rxnum; i++) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	750 rxbd->length = 0;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	751 rxbd->buffer = ((char )eppc + (uart_pram->rbase+(info->Rxnumsizeof(struct cp_bufdesc))))+i;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	752 rxbd->ctrl = QUICC_BD_CTL_Ready \| QUICC_BD_CTL_Int;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	753 rxbd++;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	754 }
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	755 rxbd--;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	756 rxbd->ctrl \|= QUICC_BD_CTL_Wrap;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	757
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	758 /* setup TX buffer descriptor */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	759 txbd = (struct cp_bufdesc )((char )eppc + uart_pram->tbase);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	760 txbd->length = 0;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	761 txbd->buffer = ((char )eppc + (uart_pram->tbase+(info->Txnumsizeof(struct cp_bufdesc))));
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	762 txbd->ctrl = 0x2000;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	763
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	764 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	765 * Clear any previous events. Mask interrupts.
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	766 * (Section 16.15.7.14 and 16.15.7.15)
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	767 */
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	768 regs->scc_scce = 0xffff;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	769 regs->scc_sccm = 5;
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	770 regs->scc_sccm = 3;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	771
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	772 /*
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	773 * Set 8,n,1 characters
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	774 */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	775 regs->scc_psmr = (3<<12);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	776 regs->scc_gsmr_h = 0x20; // 8bit FIFO
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	777 regs->scc_gsmr_l = 0x00028004; // 16x TxCLK, 16x RxCLK, UART
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	778
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	779 /*
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	780 * Init Rx & Tx params for SCCX
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	781 */
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	782 eppc->cp_cr = QUICC_CPM_CR_INIT_TXRX \| port \| QUICC_CPM_CR_BUSY;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	783
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	784 regs->scc_gsmr_l \|= 0x30; // Enable Rx, Tx
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	785
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	786 info->irq = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	787 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	788
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	789 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	790 cyg_hal_sccx_putc(void* __ch_data, cyg_uint8 ch)
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	791 {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	792 volatile struct cp_bufdesc bd, first;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	793 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	794 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	795 volatile struct uart_pram uart_pram = (volatile struct uart_pram )((char *)eppc + info->pram);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	796 CYGARC_HAL_SAVE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	797
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	798 /* tx buffer descriptor */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	799 bd = (struct cp_bufdesc )((char )eppc + uart_pram->tbptr);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	800
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	801 // Scan for a free buffer
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	802 first = bd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	803 while (bd->ctrl & QUICC_BD_CTL_Ready) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	804 if (bd->ctrl & QUICC_BD_CTL_Wrap) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	805 bd = (struct cp_bufdesc )((char )eppc + uart_pram->tbase);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	806 } else {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	807 bd++;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	808 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	809 if (bd == first) break;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	810 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	811
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	812 while (bd->ctrl & QUICC_BD_CTL_Ready) ; // Wait for buffer free
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	813 if (bd->ctrl & QUICC_BD_CTL_Int) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	814 // This buffer has just completed interrupt output. Reset bits
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	815 bd->ctrl &= ~QUICC_BD_CTL_Int;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	816 bd->length = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	817 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	818
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	819 bd->length = 0;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	820 bd->buffer[bd->length++] = ch;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	821 bd->ctrl \|= QUICC_BD_CTL_Ready;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	822
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	823 while (bd->ctrl & QUICC_BD_CTL_Ready) ; // Wait until buffer free
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	824
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	825 CYGARC_HAL_RESTORE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	826 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	827
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	828 static void
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	829 cyg_hal_sccx_write(void* __ch_data, const cyg_uint8* __buf,
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	830 cyg_uint32 __len)
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	831 {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	832 CYGARC_HAL_SAVE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	833
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	834 while(__len-- > 0)
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	835 cyg_hal_sccx_putc(__ch_data, *__buf++);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	836
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	837 CYGARC_HAL_RESTORE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	838 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	839
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	840 static int
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	841 cyg_hal_sccx_isr(void __ch_data, int __ctrlc,
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	842 CYG_ADDRWORD __vector, CYG_ADDRWORD __data)
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	843 {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	844 EPPC *eppc = eppc_base();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	845 volatile struct cp_bufdesc *bd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	846 struct port_info info = (struct port_info )__ch_data;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	847 volatile struct scc_regs regs = (volatile struct scc_regs )((char *)eppc + info->regs);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	848 volatile struct uart_pram uart_pram = (volatile struct uart_pram )((char *)eppc + info->pram);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	849 char ch;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	850 int res = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	851 CYGARC_HAL_SAVE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	852
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	853 *__ctrlc = 0;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	854 if (regs->scc_scce & QUICC_SMCE_RX) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	855
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	856 regs->scc_scce = QUICC_SMCE_RX;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	857
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	858 /* rx buffer descriptors */
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	859 bd = info->next_rxbd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	860
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	861 if ((bd->ctrl & QUICC_BD_CTL_Ready) == 0) {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	862
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	863 // then there be a character waiting
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	864 ch = bd->buffer[0];
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	865 bd->length = 1;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	866 bd->ctrl \|= QUICC_BD_CTL_Ready \| QUICC_BD_CTL_Int;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	867 if (bd->ctrl & QUICC_BD_CTL_Wrap) {
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	868 bd = (struct cp_bufdesc )((char )eppc + uart_pram->rbase);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	869 } else {
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	870 bd++;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	871 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	872 info->next_rxbd = bd;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	873
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	874 if( cyg_hal_is_break( &ch , 1 ) )
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	875 *__ctrlc = 1;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	876 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	877
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	878 // Interrupt handled. Acknowledge it.
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	879 HAL_INTERRUPT_ACKNOWLEDGE(info->intnum);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	880 res = CYG_ISR_HANDLED;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	881 }
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	882
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	883 CYGARC_HAL_RESTORE_GP();
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	884 return res;
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	885 }
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	886 #endif // CYGNUM_HAL_QUICC_SCCX
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	887
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	888 /*
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	889 * Early initialization of comm channels. Must not rely
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	890 * on interrupts, yet. Interrupt operation can be enabled
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	891 * in _bsp_board_init().
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	892 */
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	893 void
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	894 cyg_hal_plf_serial_init(void)
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	895 {
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	896 hal_virtual_comm_table_t* comm;
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	897 int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	898
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	899 static int init = 0; // It's wrong to do this more than once
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	900 int chan = 0;
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	901 if (init) return;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	902 init++;
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	903
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	904 // Setup procs in the vector table
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	905
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	906 #if CYGNUM_HAL_QUICC_SMC1 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	907 // Set up SMC1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	908 cyg_hal_smcx_init_channel(&ports[chan], QUICC_CPM_SMC1);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	909 CYGACC_CALL_IF_SET_CONSOLE_COMM(chan);// Should be configurable!
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	910 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	911 CYGACC_COMM_IF_CH_DATA_SET(*comm, &ports[chan]);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	912 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_smcx_write);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	913 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_sxx_read);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	914 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_smcx_putc);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	915 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_sxx_getc);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	916 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_sxx_control);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	917 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_smcx_isr);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	918 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_sxx_getc_timeout);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	919 chan++;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	920 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	921
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	922 #if CYGNUM_HAL_QUICC_SMC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	923 // Set up SMC2
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	924 cyg_hal_smcx_init_channel(&ports[chan], QUICC_CPM_SMC2);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	925 CYGACC_CALL_IF_SET_CONSOLE_COMM(chan);// Should be configurable!
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	926 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	927 CYGACC_COMM_IF_CH_DATA_SET(*comm, &ports[chan]);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	928 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_smcx_write);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	929 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_sxx_read);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	930 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_smcx_putc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	931 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_sxx_getc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	932 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_sxx_control);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	933 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_smcx_isr);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	934 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_sxx_getc_timeout);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	935 chan++;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	936 #endif
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	937
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	938 #if CYGNUM_HAL_QUICC_SCC1 > 0
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	939 // Set up SCC1
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	940 cyg_hal_sccx_init_channel(&ports[chan], QUICC_CPM_SCC1);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	941 CYGACC_CALL_IF_SET_CONSOLE_COMM(chan);// Should be configurable!
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	942 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	943 CYGACC_COMM_IF_CH_DATA_SET(*comm, &ports[chan]);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	944 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_sccx_write);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	945 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_sxx_read);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	946 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_sccx_putc);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	947 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_sxx_getc);
2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	948 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_sxx_control);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	949 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_sccx_isr);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	950 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_sxx_getc_timeout);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	951 chan++;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	952 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	953
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	954 #if CYGNUM_HAL_QUICC_SCC2 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	955 // Set up SCC2
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	956 cyg_hal_sccx_init_channel(&ports[chan], QUICC_CPM_SCC2);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	957 CYGACC_CALL_IF_SET_CONSOLE_COMM(chan);// Should be configurable!
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	958 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	959 CYGACC_COMM_IF_CH_DATA_SET(*comm, &ports[chan]);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	960 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_sccx_write);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	961 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_sxx_read);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	962 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_sccx_putc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	963 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_sxx_getc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	964 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_sxx_control);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	965 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_sccx_isr);
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	966 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_sxx_getc_timeout);
435 a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	967 chan++;
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	968 #endif
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	969
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	970 #if CYGNUM_HAL_QUICC_SCC3 > 0
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	971 // Set up SCC3
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	972 cyg_hal_sccx_init_channel(&ports[chan], QUICC_CPM_SCC3);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	973 CYGACC_CALL_IF_SET_CONSOLE_COMM(chan);// Should be configurable!
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	974 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	975 CYGACC_COMM_IF_CH_DATA_SET(*comm, &ports[chan]);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	976 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_sccx_write);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	977 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_sxx_read);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	978 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_sccx_putc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	979 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_sxx_getc);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	980 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_sxx_control);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	981 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_sccx_isr);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	982 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_sxx_getc_timeout);
a6484a9a16c6 Improve generalized support for MPC/QUICC based platforms gthomas parents: 244 diff changeset	983 chan++;
237 2b28abd155c7 Add support for SCC1 as a serial console. gthomas parents: 225 diff changeset	984 #endif
103 95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST jlarmour parents: 101 diff changeset	985
105 5a0cc6c243a9 Merge from eCos master repository on 2000-06-30-08:18:49-BST jlarmour parents: 103 diff changeset	986 // Restore original console
107 7f461c3a372c Merge from eCos master repository on 2000-07-04-08:04:30-BST jlarmour parents: 105 diff changeset	987 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	988 }
5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	989
68 f74b2666b30d Merge from eCos master repository on 2000-02-04-07:47:04-GMT jlarmour parents: 66 diff changeset	990 #endif // CYGPKG_HAL_POWERPC_MPC860
32 5af43b635655 Merge from eCos master repository on 1999-08-18-15:20:01-BST jlarmour parents: diff changeset	991 // EOF quicc_smc1.c

Mercurial > ecos-v2_0-branch

annotate packages/hal/powerpc/quicc/current/src/quicc_smc1.c @ 438:4ad7466aa844